package com.hnguigu.tms.order.config;


import org.kie.api.KieBase;
import org.kie.api.KieServices;
import org.kie.api.builder.*;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.kie.internal.io.ResourceFactory;
import org.kie.spring.KModuleBeanFactoryPostProcessor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;

import java.io.IOException;

//规则引擎自动配置类
//@Configuration
public class DroolsAutoConfiguration {
//    private static final String RULES_PATH = "rules/";
//
//    @Bean
//    @ConditionalOnMissingBean(KieFileSystem.class)
//    public KieFileSystem kieFileSystem() throws IOException {
//        KieFileSystem kieFileSystem = getKieServices().newKieFileSystem();
//        for (Resource file : getRuleFiles()) {
//            kieFileSystem.write(ResourceFactory.newClassPathResource(RULES_PATH + file.getFilename(), "UTF-8"));
//        }
//        return kieFileSystem;
//    }
//
//    private Resource[] getRuleFiles() throws IOException {
//        ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
//        return resourcePatternResolver.getResources("classpath*:" + RULES_PATH + "**/*.*");
//    }
//
//    @Bean
//    @ConditionalOnMissingBean(KieContainer.class)
//    public KieContainer kieContainer() throws IOException {
//        final KieRepository kieRepository = getKieServices().getRepository();
//
//        kieRepository.addKieModule(new KieModule() {
//            @Override
//            public ReleaseId getReleaseId() {
//                return kieRepository.getDefaultReleaseId();
//            }
//        });
//
//        KieBuilder kieBuilder = getKieServices().newKieBuilder(kieFileSystem());
//        kieBuilder.buildAll();
//
//        KieContainer kieContainer=getKieServices().newKieContainer(kieRepository.getDefaultReleaseId());
//
//        return kieContainer;
//    }
//
//    private KieServices getKieServices() {
//        return KieServices.Factory.get();
//    }
//
//    @Bean
//    @ConditionalOnMissingBean(KieBase.class)
//    public KieBase kieBase() throws IOException {
//        return kieContainer().getKieBase();
//    }
//
//    @Bean
//    @ConditionalOnMissingBean(KieSession.class)
//    public KieSession kieSession() throws IOException {
//        return kieContainer().newKieSession();
//    }
//
//    @Bean
//    @ConditionalOnMissingBean(KModuleBeanFactoryPostProcessor.class)
//    public KModuleBeanFactoryPostProcessor kiePostProcessor() {
//        return new KModuleBeanFactoryPostProcessor();
//    }
}